interesting things from summer …

September 4th, 2007

Some thing that i dig from the net during my holiday !

Feed for helix antenna and some ways to match it :

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http://www.f1afz.fr/montages/helice_2.4/helice2.php

Some strange feeders whit wide band planar spirals ? /if You know what these are tell me please/ :

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one circular patch :

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Similar link http://www.f1afz.fr/montages/patch.php

Interesting sector :

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dielectric-filled-horn.jpgThis one is dielectric filled horn – rescently I seen one simiar russian antenna .

omni antenna I was used something very similar before time. Omnies are pain in the a$$ to build 🙂

Here is interesting backfire helix for 2.3ghz :

backfire helix feedcloseup.jpgsideview.jpg

CHEAP Signal source for 2.440 GHz :

source3.jpg sourcschem.GIFsource1.jpg

A lot of reading for spiral antennas and qlp feeders 🙂

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